Check git size

git_sizer.rb

require 'open-uri'
require 'json'

url = ARGV[0]
uri = URI.parse(url)
api_uri = "https://api.github.com/repos" + uri.path
puts "fetch from: #{api_uri}"
json_string = URI.parse(api_uri).read
json = JSON.parse(json_string)
size = json["size"]

reposize = case size
  when 0..1024 then "#{size} kb"
  when 1024..1024**2 then "#{size / 1024}+ mb" 
  when 1024**2..1024**3 then "#{size / 1024**2}+ gb"
  when 1024**3..1024**4 then "#{size / 1024**3}+ tb" 
  when 1024**4..1024**5 then "#{size / 1024**4}+ pb" 
  else "Unknown"
end

puts "Size #{size} = #{reposize}"%